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        data-chapter-title="第四节：数据库准备"
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        <li class="chapter " data-level="0" data-path="index.html">
            
                
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                        Introduction
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                            <b>1.</b>
                        
                        第一章：小程序前奏
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                            <b>1.1.</b>
                        
                        第一节：认识小程序
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                            <b>1.2.</b>
                        
                        第二节：准备工作
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                            <b>1.3.</b>
                        
                        第三节：开发工具介绍
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                            <b>1.4.</b>
                        
                        第六节：WXSS语法
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                            <b>2.</b>
                        
                        第二章：小程序基础
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                            <b>2.1.</b>
                        
                        第一节：项目结构
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                            <b>2.2.</b>
                        
                        第二节：配置
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                            <b>2.3.</b>
                        
                        第三节：WXML语法
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                            <b>2.4.</b>
                        
                        第五节：事件
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                            <b>2.5.</b>
                        
                        第六节：WXSS语法
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                            <b>2.6.</b>
                        
                        第七节：flex布局
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                            <b>2.7.</b>
                        
                        第八节：APP对象
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                            <b>2.8.</b>
                        
                        第九节：Page对象
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                            <b>2.9.</b>
                        
                        第十节：WXS语法
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                            <b>3.</b>
                        
                        第三章：常用组件
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                            <b>3.1.</b>
                        
                        第一节：scroll-view组件
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                            <b>3.2.</b>
                        
                        第二节：swiper组件
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                            <b>3.3.</b>
                        
                        第三节：movable-view组件
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                            <b>3.4.</b>
                        
                        第四节：icon组件
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                            <b>3.5.</b>
                        
                        第五节：text组件
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                            <b>3.6.</b>
                        
                        第六节：input组件
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        <li class="chapter " data-level="3.7" data-path="di-san-zhang-ff1a-chang-yong-zu-jian/zi-ding-yi-zu-jian.html">
            
                
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                            <b>3.7.</b>
                        
                        自定义组件
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            <span><b>4.</b> 第四章：小程序API</span>
            
            
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                            <b>4.1.</b>
                        
                        第一节：网络请求API
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        <li class="chapter " data-level="5" data-path="di-liu-zhang-ff1a-es6-yu-fa.html">
            
                
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                            <b>5.</b>
                        
                        第五章：ES6语法
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        <li class="chapter " data-level="5.1" data-path="di-liu-zhang-ff1a-es6-yu-fa/di-yi-jie-ff1a-shi-yao-shi-es6-yu-fa.html">
            
                
                    <a href="./di-liu-zhang-ff1a-es6-yu-fa/di-yi-jie-ff1a-shi-yao-shi-es6-yu-fa.html">
                
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                            <b>5.1.</b>
                        
                        第一节：什么是ES6语法
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        <li class="chapter " data-level="5.2" data-path="di-liu-zhang-ff1a-es6-yu-fa/di-er-jie-ff1a-es6-yu-fa.html">
            
                
                    <a href="./di-liu-zhang-ff1a-es6-yu-fa/di-er-jie-ff1a-es6-yu-fa.html">
                
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                            <b>5.2.</b>
                        
                        第二节：定义变量
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        <li class="chapter " data-level="5.3" data-path="di-liu-zhang-ff1a-es6-yu-fa/di-san-jie-ff1a-han-shu.html">
            
                
                    <a href="./di-liu-zhang-ff1a-es6-yu-fa/di-san-jie-ff1a-han-shu.html">
                
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                            <b>5.3.</b>
                        
                        第三节：函数
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        <li class="chapter " data-level="5.4" data-path="di-liu-zhang-ff1a-es6-yu-fa/di-si-jie-ff1a-lei.html">
            
                
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                            <b>5.4.</b>
                        
                        第四节：类
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                            <b>5.5.</b>
                        
                        第五节：模块
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        <li class="chapter " data-level="6" data-path="di-wu-zhang-ff1a-yun-kai-fa.html">
            
                
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                            <b>6.</b>
                        
                        第六章：云开发
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                    <a href="./di-yi-jie-ff1a-shi-yao-shi-yun-kai-fa.html">
                
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                            <b>6.1.</b>
                        
                        第一节：什么是云开发
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        <li class="chapter " data-level="6.2" data-path="di-er-jie-ff1a-zhu-ce-wei-xin-xiao-cheng-xu.html">
            
                
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                            <b>6.2.</b>
                        
                        第二节：注册微信小程序
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        <li class="chapter " data-level="6.3" data-path="di-san-jie-ff1a-kai-tong-yun-kai-fa.html">
            
                
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                            <b>6.3.</b>
                        
                        第三节：开通云开发
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        <li class="chapter active" data-level="6.4" data-path="di-si-jie-ff1a-shu-ju-ku.html">
            
                
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                            <b>6.4.</b>
                        
                        第四节：数据库准备
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        <li class="chapter " data-level="6.5" data-path="di-wu-jie-ff1a-shu-ju-ku-cao-zuo.html">
            
                
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                            <b>6.5.</b>
                        
                        第五节：数据库操作
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        <li class="chapter " data-level="6.6" data-path="di-liu-jie-ff1a-command-zhi-ling.html">
            
                
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                            <b>6.6.</b>
                        
                        第六节：command指令
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        <li class="chapter " data-level="6.7" data-path="di-qi-jie-ff1a-gao-ji-cha-xun.html">
            
                
                    <a href="./di-qi-jie-ff1a-gao-ji-cha-xun.html">
                
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                            <b>6.7.</b>
                        
                        第七节：高级查询
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        <li class="chapter " data-level="6.8" data-path="di-ba-jie-ff1a-wen-jian-shang-chuan.html">
            
                
                    <a href="./di-ba-jie-ff1a-wen-jian-shang-chuan.html">
                
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                            <b>6.8.</b>
                        
                        第八节：文件操作
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        <li class="chapter " data-level="6.9" data-path="di-jiu-jie-ff1a-node-huan-jing-da-jian.html">
            
                
                    <a href="./di-jiu-jie-ff1a-node-huan-jing-da-jian.html">
                
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                            <b>6.9.</b>
                        
                        第九节：node环境搭建
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        <li class="chapter " data-level="6.10" data-path="di-shi-jie-ff1a-yun-han-shu.html">
            
                
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                            <b>6.10.</b>
                        
                        第十节：云函数
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        <li class="chapter " data-level="6.11" data-path="di-shi-yi-jie-ff1a-yun-han-shu-jian-ce-nei-rong-an-quan.html">
            
                
                    <a href="./di-shi-yi-jie-ff1a-yun-han-shu-jian-ce-nei-rong-an-quan.html">
                
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                            <b>6.11.</b>
                        
                        第十一节：检测内容安全
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        <li class="chapter " data-level="6.12" data-path="di-shi-er-jie-ff1a-yun-han-shu-tu-pian-jian-huang.html">
            
                
                    <a href="./di-shi-er-jie-ff1a-yun-han-shu-tu-pian-jian-huang.html">
                
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                            <b>6.12.</b>
                        
                        第十二节：图片鉴黄
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                            <b>6.13.</b>
                        
                        第十三节：用户授权
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                            <b>6.14.</b>
                        
                        第十四节：其他授权方式
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                        <h1 id="&#x6570;&#x636E;&#x5E93;&#xFF1A;">&#x6570;&#x636E;&#x5E93;&#xFF1A;</h1>
<h2 id="&#x4E00;&#x3001;&#x517C;&#x5BB9;&#x6027;&#xFF1A;">&#x4E00;&#x3001;&#x517C;&#x5BB9;&#x6027;&#xFF1A;</h2>
<p>&#x4E91;&#x5F00;&#x53D1;&#x80FD;&#x529B;&#x4ECE;&#x57FA;&#x7840;&#x5E93;<code>2.2.3</code>&#x5F00;&#x59CB;&#x652F;&#x6301;&#xFF0C;&#x73B0;&#x5728;<code>2.2.3</code>&#x6216;&#x4EE5;&#x4E0A;&#x7684;&#x57FA;&#x7840;&#x5E93;&#x6CA1;&#x6709;&#x5B8C;&#x5168;&#x8986;&#x76D6;&#x6240;&#x6709;&#x7528;&#x6237;&#xFF08;&#x76EE;&#x524D;&#x7EA6;90%&#xFF09;&#xFF0C;&#x5982;&#x9700;&#x4F7F;&#x4E0A;&#x4F20;&#x7684;&#x4EE3;&#x7801;&#x80FD;&#x591F;&#x8986;&#x76D6;&#x5168;&#x91CF;&#x7528;&#x6237;&#xFF0C;&#x8BF7;&#x505A;&#x4EE5;&#x4E0B;&#x7279;&#x6B8A;&#x5904;&#x7406;&#xFF1A;<br>&#x5728;<code>app.json / game.json</code>&#x4E2D;&#x589E;&#x52A0;&#x5B57;&#x6BB5;<code>&quot;cloud&quot;: true</code><br>&#x6307;&#x5B9A;&#x540E;&#x4E91;&#x80FD;&#x529B;&#x53EF;&#x4EE5;&#x5728;&#x6240;&#x6709;&#x57FA;&#x7840;&#x5E93;&#x4E2D;&#x4F7F;&#x7528;&#xFF0C;&#x5E76;&#x4E14;&#x5982;&#x679C;&#x4E91;&#x80FD;&#x529B;&#x6709;&#x66F4;&#x65B0;&#xFF0C;&#x5E76;&#x4E0D;&#x4F1A;&#x968F;&#x7740;&#x57FA;&#x7840;&#x5E93;&#x5347;&#x7EA7;&#x800C;&#x81EA;&#x52A8;&#x5347;&#x7EA7;&#xFF0C;&#x9700;&#x5728;&#x540E;&#x7EED;&#x7248;&#x672C;&#x53D1;&#x5E03;&#x540E;&#x91CD;&#x65B0;&#x4E0A;&#x4F20;&#x3002;&#x5982;<code>2.2.4</code>&#x53D1;&#x5E03;&#x540E;&#xFF0C;&#x9700;&#x91CD;&#x65B0;&#x4E0A;&#x4F20;&#x624D;&#x80FD;&#x5C06;&#x4E91;&#x80FD;&#x529B;&#x66F4;&#x65B0;&#x81F3;<code>2.2.4</code>&#x7248;&#x672C;&#x7684;&#x4E91;&#x80FD;&#x529B;&#x3002;</p>
<h2 id="&#x4E8C;&#x3001;&#x521B;&#x5EFA;&#x7A0B;&#x5E8F;&#xFF1A;">&#x4E8C;&#x3001;&#x521B;&#x5EFA;&#x7A0B;&#x5E8F;&#xFF1A;</h2>
<p>&#x5728;&#x521B;&#x5EFA;&#x5B8C;&#x4E91;&#x5F00;&#x53D1;&#x7684;&#x9879;&#x76EE;&#x540E;&#xFF0C;&#x9ED8;&#x8BA4;&#x4F1A;&#x751F;&#x6210;&#x4E00;&#x4E2A;<code>miniprogram</code>&#x9879;&#x76EE;&#xFF0C;&#x8FD9;&#x4E2A;&#x9879;&#x76EE;&#x662F;&#x4E00;&#x4E9B;&#x6F14;&#x793A;&#x6027;&#x7684;&#x4EE3;&#x7801;&#xFF0C;&#x4E0D;&#x7B26;&#x5408;&#x6211;&#x4EEC;&#x7684;&#x9700;&#x6C42;&#x3002;&#x56E0;&#x6B64;&#x6211;&#x4EEC;&#x91CD;&#x65B0;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x65B0;&#x7684;&#x9879;&#x76EE;&#xFF0C;&#x9879;&#x76EE;&#x540D;&#x5B57;&#x53EF;&#x4EE5;&#x968F;&#x4FBF;&#x53D6;&#xFF0C;&#x6BD4;&#x5982;&#x53EB;&#x505A;<code>databasedemo</code>&#xFF0C;&#x7136;&#x540E;&#x5728;&#x9879;&#x76EE;&#x4E2D;&#x9700;&#x8981;&#x521B;&#x5EFA;&#x597D;&#x9879;&#x76EE;&#x6240;&#x9700;&#x8981;&#x7684;&#x6587;&#x4EF6;&#xFF0C;&#x6BD4;&#x5982;<code>app.json</code>&#x3001;<code>app.wxss</code>&#x4EE5;&#x53CA;<code>pages</code>&#x6587;&#x4EF6;&#x5939;&#x7B49;&#x3002;&#x521B;&#x5EFA;&#x5B8C;&#x9879;&#x76EE;&#x540E;&#xFF0C;&#x8FD8;&#x9700;&#x8981;&#x5728;<code>project.config.json</code>&#x6587;&#x4EF6;&#x4E2D;&#x914D;&#x7F6E;<code>&quot;miniprogramRoot&quot;:&quot;databasedemo/&quot;</code>&#x3002;</p>
<h2 id="&#x4E09;&#x3001;&#x521D;&#x59CB;&#x5316;&#x4E91;&#x5F00;&#x53D1;&#xFF1A;">&#x4E09;&#x3001;&#x521D;&#x59CB;&#x5316;&#x4E91;&#x5F00;&#x53D1;&#xFF1A;</h2>
<p>&#x5982;&#x679C;&#x6211;&#x4EEC;&#x60F3;&#x8981;&#x4F7F;&#x7528;&#x5C0F;&#x7A0B;&#x5E8F;&#x7684;&#x4E91;&#x5F00;&#x53D1;&#x529F;&#x80FD;&#xFF0C;&#x5FC5;&#x987B;&#x5728;&#x5C0F;&#x7A0B;&#x5E8F;&#x521D;&#x59CB;&#x5316;&#x7684;&#x65F6;&#x5019;&#x5C31;&#x8C03;&#x7528;<code>wx.cloud.init</code>&#x65B9;&#x6CD5;&#x6765;&#x8FDB;&#x884C;&#x521D;&#x59CB;&#x5316;&#xFF0C;&#x8FD9;&#x4E2A;&#x65B9;&#x6CD5;&#x53EF;&#x4EE5;&#x63A5;&#x53D7;&#x4E24;&#x4E2A;&#x53C2;&#x6570;&#xFF0C;&#x4E24;&#x4E2A;&#x53C2;&#x6570;&#x7684;&#x4F5C;&#x7528;&#x5982;&#x4E0B;&#xFF1A;</p>
<table>
<thead>
<tr>
<th>&#x5B57;&#x6BB5;</th>
<th>&#x6570;&#x636E;&#x7C7B;&#x578B;</th>
<th>&#x5FC5;&#x586B;</th>
<th>&#x9ED8;&#x8BA4;&#x503C;</th>
<th>&#x8BF4;&#x660E;</th>
</tr>
</thead>
<tbody>
<tr>
<td>env</td>
<td>string \</td>
<td>object</td>
<td>&#x5426;</td>
<td>default</td>
<td>&#x9ED8;&#x8BA4;&#x73AF;&#x5883;&#x914D;&#x7F6E;&#xFF0C;&#x4F20;&#x5165;&#x5B57;&#x7B26;&#x4E32;&#x5F62;&#x5F0F;&#x7684;&#x73AF;&#x5883; ID &#x53EF;&#x4EE5;&#x6307;&#x5B9A;&#x6240;&#x6709;&#x670D;&#x52A1;&#x7684;&#x9ED8;&#x8BA4;&#x73AF;&#x5883;&#xFF0C;&#x4F20;&#x5165;&#x5BF9;&#x8C61;&#x53EF;&#x4EE5;&#x5206;&#x522B;&#x6307;&#x5B9A;&#x5404;&#x4E2A;&#x670D;&#x52A1;&#x7684;&#x9ED8;&#x8BA4;&#x73AF;&#x5883;</td>
</tr>
<tr>
<td>traceUser</td>
<td>boolean</td>
<td>&#x5426;</td>
<td>false</td>
<td>&#x662F;&#x5426;&#x5728;&#x5C06;&#x7528;&#x6237;&#x8BBF;&#x95EE;&#x8BB0;&#x5F55;&#x5230;&#x7528;&#x6237;&#x7BA1;&#x7406;&#x4E2D;&#xFF0C;&#x5728;&#x63A7;&#x5236;&#x53F0;&#x4E2D;&#x53EF;&#x89C1;</td>
</tr>
</tbody>
</table>
<p>&#x5728;<code>app.js</code>&#x6587;&#x4EF6;&#x4E2D;&#x7684;<code>App.onLaunch</code>&#x65B9;&#x6CD5;&#x4E2D;&#x8C03;&#x7528;&#x3002;&#x793A;&#x4F8B;&#x4EE3;&#x7801;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-js">App({
  onLaunch: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    wx.cloud.init({
        env: <span class="hljs-string">&quot;&#x73AF;&#x5883;ID&quot;</span>,
        traceUser: <span class="hljs-literal">true</span>,
    })
  }
})
</code></pre>
<h2 id="&#x521B;&#x5EFA;&#x96C6;&#x5408;&#xFF1A;">&#x521B;&#x5EFA;&#x96C6;&#x5408;&#xFF1A;</h2>
<p>&#x5728;&#x4E91;&#x5F00;&#x53D1;&#x7684;&#x6570;&#x636E;&#x5E93;&#x4E2D;&#xFF0C;&#x4F7F;&#x7528;&#x7684;&#x662F;<code>NoSQL</code>&#x7C7B;&#x578B;&#x7684;&#x6570;&#x636E;&#x5E93;&#x3002;&#x5173;&#x7CFB;&#x578B;&#x6570;&#x636E;&#x5E93;&#x4E2D;&#x7684;&#x8868;&#xFF0C;&#x5BF9;&#x5E94;&#x7684;&#x662F;<code>NoSQL</code>&#x4E2D;&#x7684;&#x4E00;&#x4E2A;&#x96C6;&#x5408;&#x3002;&#x6240;&#x4EE5;&#x5728;&#x6240;&#x6570;&#x636E;&#x64CD;&#x4F5C;&#x4E4B;&#x524D;&#xFF0C;&#x5E94;&#x8BE5;&#x5148;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x96C6;&#x5408;&#x3002;&#x521B;&#x5EFA;&#x5B8C;&#x96C6;&#x5408;&#x540E;&#xFF0C;&#x4E5F;&#x4E0D;&#x9700;&#x8981;&#x8DDF;&#x5173;&#x7CFB;&#x578B;&#x6570;&#x636E;&#x5E93;&#x4E00;&#x6837;&#xFF0C;&#x5148;&#x5B9A;&#x4E49;&#x597D;&#x8FD9;&#x4E2A;&#x96C6;&#x5408;&#x4E2D;&#x7684;&#x5B57;&#x6BB5;&#xFF0C;&#x800C;&#x662F;&#x76F4;&#x63A5;&#x63D2;&#x5165;&#x6570;&#x636E;&#xFF0C;&#x5E76;&#x4E14;&#x63D2;&#x5165;&#x6570;&#x636E;&#x7684;&#x65F6;&#x5019;&#xFF0C;<strong>&#x6BCF;&#x6761;&#x6570;&#x636E;&#x7684;&#x5B57;&#x6BB5;&#x65E0;&#x9700;&#x4FDD;&#x6301;&#x4E00;&#x81F4;&#xFF01;</strong></p>

                    
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